(c) to foreclose the equity of redemption of mortgaged property,
is not
maintainable by a mortgagee under the mortgage if brought after the expiration
of a limitation period of twelve years running from the date on which the
cause of action first accrues to the plaintiff or to a person through whom the
plaintiff claims.
(2) Paragraph (a) of subsection (1) applies to a cause of
action--
(a) to recover principal money from any person, whether as principal,
surety or otherwise, or